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Rebar Secures $14M Series A for AI HVAC Quote Generation

New York-based startup Rebar raised $14 million in a Series A round to accelerate AI-driven quote generation for HVAC suppliers.

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Rebar Raises $14 Million in Series A Funding

Rebar, a New York-based startup focused on AI for commercial HVAC suppliers, announced it has raised $14 million in a Series A funding round, according to Crunchbase News. Prudence led the round, with participation from Zero Infinity Partners, Founder Collective, Villain Capital, and Optimist Ventures.

Company Origins and Leadership

Founded in October 2024, Rebar was established by CEO and co-founder Evan Brown and co-founder Andrew Schwartz. Brown draws from his experience working summers with his uncle in HVAC and later as an estimator at Johnson Barrow / DMG Corp., which was acquired by Ambient Enterprises. This background informed Rebar’s development of AI tools to automate manual processes in the industry.

Technology and Growth Metrics

Rebar uses artificial intelligence, specifically proprietary computer vision models, to analyze construction blueprints, identify and categorize HVAC equipment, and generate quotes that are on average 60% to 70% faster than traditional methods. The company has doubled its annual recurring revenue in the first six weeks of 2026 and operates on a usage-based subscription model, serving 40 clients, seven of whom are investors. Brown noted that the platform has helped customers potentially increase win rates by 2x to 3x for proposals that previously took up to a week to create but now take minutes.

Expansion Plans and Investor Insights

Rebar plans to extend its AI capabilities to plumbing and electrical equipment suppliers beyond its initial HVAC focus. Jordan Viniar, a partner at Prudence, highlighted Brown’s firsthand perspective from his mechanical engineering education and HVAC experience as key to the investment. According to Crunchbase News, Prudence seeks companies using unique technology to automate overlooked industries, with Rebar compressing manual tasks by over 90% for greater efficiency. In a broader context, venture investment in real estate-related startups reached approximately $10.5 billion globally in 2025, up 17% from $9 billion in 2024, reflecting a rebound in funding for AI-driven automation.

Sources
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